SPYRAL DYSTAL Renal Denervation Global Clinical Study
Global Clinical Study of Renal Denervation in the Distal Main and First Order Branch Renal Arteries Using the Symplicity Spyral™ Multi-electrode Renal Denervation System (SPYRAL DYSTAL)
1 other identifier
interventional
128
4 countries
8
Brief Summary
The objective of this single arm interventional study is to determine if renal denervation performed in the distal main and first order branch renal arteries is as effective in reducing blood pressure as the procedural approach used in the SPYRAL HTN-OFF MED clinical study.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for not_applicable hypertension
Started Jun 2020
Typical duration for not_applicable hypertension
8 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
March 12, 2020
CompletedFirst Posted
Study publicly available on registry
March 17, 2020
CompletedStudy Start
First participant enrolled
June 12, 2020
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 22, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
December 22, 2022
CompletedResults Posted
Study results publicly available
April 17, 2024
CompletedApril 17, 2024
April 1, 2024
2.5 years
March 12, 2020
February 2, 2024
April 8, 2024
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Change in Systolic Blood Pressure (SBP) as Measured by 24-hour Ambulatory Blood Pressure Monitoring (ABPM)
From Baseline (SV2) to 12 months post-procedure
Secondary Outcomes (15)
Change in Systolic Blood Pressure (SBP) as Measured by 24-hour Ambulatory Blood Pressure Monitoring (ABPM)
From Baseline (SV2) to 3 months post-procedure
Change in Office Systolic Blood Pressure (SBP)
From Baseline (SV2) to 3 months post-procedure
Change in Office Systolic Blood Pressure (SBP)
From Baseline (SV2) to 12 months post-procedure
Change in Diastolic Blood Pressure (DBP) as Measured by 24-hour Ambulatory Blood Pressure Monitoring (ABPM)
From Baseline (SV2) to 3 months post-procedure
Change in Diastolic Blood Pressure (DBP) as Measured by 24-hour Ambulatory Blood Pressure Monitoring (ABPM)
From Baseline (SV2) to 12 months post-procedure
- +10 more secondary outcomes
Other Outcomes (7)
Reduction in Systolic Blood Pressure (SBP) Over 24 Hours of ABPM as Measured With 24- Ambulatory Blood Pressure Monitor (ABPM) at 3 Months Post-procedure From Baseline
3 months post-procedure
Reduction in Diastolic Blood Pressure (DBP) Over 24 Hours as Measured With 24-Ambulatory Blood Pressure Monitor (ABPM) at 3 Months Post-procedure From Baseline
3 Months post-procedure
Office Systolic Blood Pressure (SBP) Reduction
From Baseline (SV2) to 3 months post-procedure
- +4 more other outcomes
Study Arms (1)
Renal Denervation
EXPERIMENTALRenal angiography and Renal Denervation (Symplicity Spyral™ multi-electrode renal denervation system)
Interventions
Device: Symplicity Spyral™ multi-electrode renal denervation system. After a renal angiography according to standard procedures, subjects are treated with the renal denervation procedure.
Eligibility Criteria
You may qualify if:
- \- Individual has office systolic blood pressure (SBP) ≥ 150 mmHg and \<180 mmHg and a diastolic blood pressure (DBP) ≥ 90 mmHg after being off medications.
- Individual has 24-hour Ambulatory Blood Pressure Monitoring (ABPM) average SBP ≥ 140 mmHg and \< 170 mmHg.
- Individual is willing to discontinue current antihypertensive medications
You may not qualify if:
- Individual has estimated glomerular filtration rate (eGFR) of \<45.
- Individual has type 1 diabetes mellitus or poorly-controlled type 2 diabetes mellitus.
- Individual has one or more episodes of orthostatic hypotension.
- Individual requires chronic oxygen support or mechanical ventilation other than nocturnal respiratory support for sleep apnea.
- Individual has primary pulmonary hypertension.
- Individual is pregnant, nursing or planning to become pregnant.
- Individual has frequent intermittent or chronic pain that results in treatment with nonsteroidal anti-inflammatory drugs (NSAIDs) for two or more days per week over the month prior to enrollment.
- Individual has stable or unstable angina within 3 months of enrollment, myocardial infarction within 3 months of enrollment; heart failure, cerebrovascular accident or transient ischemic attack, or atrial fibrillation at any time.
- Individual works night shifts.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (8)
Stanford Hospital and Clinics
Stanford, California, 94305, United States
Piedmont Heart Institute
Atlanta, Georgia, 30309, United States
Baylor Heart & Vascular Hospital
Dallas, Texas, 75226, United States
Universitaetsklinikum Erlangen
Erlangen, Germany
Universitaetsklinikum des Saarlandes
Homburg, Germany
Herzzentrum Leipzig
Leipzig, Germany
Hippokration General Hospital of Athens
Athens, Greece
University Hospital of Wales
Cardiff, United Kingdom
MeSH Terms
Conditions
Results Point of Contact
- Title
- Sara Dinkins SPYRAL DYSTAL Global Study Manager
- Organization
- Medtronic
Study Officials
- PRINCIPAL INVESTIGATOR
David P Lee, MD
Stanford University
- PRINCIPAL INVESTIGATOR
Andrew Sharp, MD
University Hospital of Wales
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
March 12, 2020
First Posted
March 17, 2020
Study Start
June 12, 2020
Primary Completion
December 22, 2022
Study Completion
December 22, 2022
Last Updated
April 17, 2024
Results First Posted
April 17, 2024
Record last verified: 2024-04